What You Will Find Here

Arizona Fishkeeping seeks to provide practical information on how to be a "fishkeeper" and about just what it means to be a fishkeeper rather than just someone who happens to keep fish. What it means to be an aquarist rather than just someone who has an aquarium. This site includes freshwater information, plants, salt water, corals, as well as the fish, shrimp, crabs, and other things that live in our tanks. We try to make the videos and the articles helpful and short so that they are useful. If you want deeper information we can provide ways for you to discover that as well. The goal is to promote the hobby and help people have fun doing it....

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The first thing we should understand is that live rock is not actually alive, it is rock, sometimes coral skeletons or fossils of such, but it is not actually alive. This title refers to the bacteria, and other life that dwells on and within the rock. The posi...

Below are listed four very hardy corals, some information about their care, feeding, and behavior.
There are other corals that are relatively easy to care for, but really none so easy as these four.
They are listed by the names they are most commonly calle...

One of the most frequently asked questions by new reef tank owners is, "what should should I get in my clean up crew and how many?" The clean up crew, commonly abbreviated CUC, is composed of several different types of animals, usually snails, hermit crabs, an...

We’re on YouTube with Helpful Videos

Some urchins are poisonous to humans as well as fish. Be careful when dealing with the various species as getting stuck can cause a lot of pain and in some cases hospitalization. The urchin in this story is part of a larger group called "collector urchins" because they camouflage themselves by sticking things on their back. The Tuxedo Urchin is an example of this group. This new discovery is quite... Read More

Sometimes news comes along that really excites me. The news of someone successfully breeding a fish that is rare in the hobby is always on that list. This particular fish is actually one of my favorites. It's the Blue Reef Chromis and it's a stunner. I've owned them before but not often. I found the fish easy to care for and it swam with my other chromis in the shoal.
As you may know the green ... Read More

I always find it amazing when new species are discovered. Not just in the sea but on the land it seems to happen with regularity letting us know just how little we know about our planet.
This isn't a fish that any of us are likely to own and normally I don't share news about non-hobby related things. This site is about fish tanks and the things we can keep in them after all. But, sometimes it i... Read More

Articles like this one are what really make Advanced Aquarist Online shine (no pun intended) as a resources for aquarists looking to dig deeper into the hobby and experiment. Though some sites stick "expert" or "advanced" in their title or description AAO really means it. The site really is filled with deeper knowledge that is science based. Though there are occasionally editorials that I disagree... Read More

"Recent studies suggest that coral reefs, however, are just as dependent on these fish for key nutrients that help coral grow. When fish urinate, they release phosphorus into the water. This phosphorus, along with nitrogen excreted as ammonium through the gills of fish, is crucial to the survival and growth of coral reefs."
This study highlights a very important truth in reef keeping. Every... Read More